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PKCS7ContentInfo ::= SEQUENCE {
contentType ContentType ({ pkcs7_check_content_type }),
content [0] EXPLICIT SignedData OPTIONAL
}
ContentType ::= OBJECT IDENTIFIER ({ pkcs7_note_OID })
SignedData ::= SEQUENCE {
version INTEGER ({ pkcs7_note_signeddata_version }),
digestAlgorithms DigestAlgorithmIdentifiers,
contentInfo ContentInfo,
certificates CHOICE {
certSet [0] IMPLICIT ExtendedCertificatesAndCertificates,
certSequence [2] IMPLICIT Certificates
} OPTIONAL ({ pkcs7_note_certificate_list }),
crls CHOICE {
crlSet [1] IMPLICIT CertificateRevocationLists,
crlSequence [3] IMPLICIT CRLSequence
} OPTIONAL,
signerInfos SignerInfos
}
ContentInfo ::= SEQUENCE {
contentType ContentType,
content [0] EXPLICIT Data OPTIONAL
}
Data ::= ANY ({ pkcs7_note_data })
DigestAlgorithmIdentifiers ::= CHOICE {
daSet SET OF DigestAlgorithmIdentifier,
daSequence SEQUENCE OF DigestAlgorithmIdentifier
}
DigestAlgorithmIdentifier ::= SEQUENCE {
algorithm OBJECT IDENTIFIER ({ pkcs7_note_OID }),
parameters ANY OPTIONAL
}
--
-- Certificates and certificate lists
--
ExtendedCertificatesAndCertificates ::= SET OF ExtendedCertificateOrCertificate
ExtendedCertificateOrCertificate ::= CHOICE {
certificate Certificate, -- X.509
extendedCertificate [0] IMPLICIT ExtendedCertificate -- PKCS#6
}
ExtendedCertificate ::= Certificate -- cheating
Certificates ::= SEQUENCE OF Certificate
CertificateRevocationLists ::= SET OF CertificateList
CertificateList ::= SEQUENCE OF Certificate -- This may be defined incorrectly
CRLSequence ::= SEQUENCE OF CertificateList
Certificate ::= ANY ({ pkcs7_extract_cert }) -- X.509
--
-- Signer information
--
SignerInfos ::= CHOICE {
siSet SET OF SignerInfo,
siSequence SEQUENCE OF SignerInfo
}
SignerInfo ::= SEQUENCE {
version INTEGER ({ pkcs7_note_signerinfo_version }),
sid SignerIdentifier, -- CMS variant, not PKCS#7
digestAlgorithm DigestAlgorithmIdentifier ({ pkcs7_sig_note_digest_algo }),
authenticatedAttributes CHOICE {
aaSet [0] IMPLICIT SetOfAuthenticatedAttribute
({ pkcs7_sig_note_set_of_authattrs }),
aaSequence [2] EXPLICIT SEQUENCE OF AuthenticatedAttribute
-- Explicit because easier to compute digest on
-- sequence of attributes and then reuse encoded
-- sequence in aaSequence.
} OPTIONAL,
digestEncryptionAlgorithm
DigestEncryptionAlgorithmIdentifier ({ pkcs7_sig_note_pkey_algo }),
encryptedDigest EncryptedDigest,
unauthenticatedAttributes CHOICE {
uaSet [1] IMPLICIT SET OF UnauthenticatedAttribute,
uaSequence [3] IMPLICIT SEQUENCE OF UnauthenticatedAttribute
} OPTIONAL
} ({ pkcs7_note_signed_info })
SignerIdentifier ::= CHOICE {
-- RFC5652 sec 5.3
issuerAndSerialNumber IssuerAndSerialNumber,
subjectKeyIdentifier [0] IMPLICIT SubjectKeyIdentifier
}
IssuerAndSerialNumber ::= SEQUENCE {
issuer Name ({ pkcs7_sig_note_issuer }),
serialNumber CertificateSerialNumber ({ pkcs7_sig_note_serial })
}
CertificateSerialNumber ::= INTEGER
SubjectKeyIdentifier ::= OCTET STRING ({ pkcs7_sig_note_skid })
SetOfAuthenticatedAttribute ::= SET OF AuthenticatedAttribute
AuthenticatedAttribute ::= SEQUENCE {
type OBJECT IDENTIFIER ({ pkcs7_note_OID }),
values SET OF ANY ({ pkcs7_sig_note_authenticated_attr })
}
UnauthenticatedAttribute ::= SEQUENCE {
type OBJECT IDENTIFIER ({ pkcs7_note_OID }),
values SET OF ANY
}
DigestEncryptionAlgorithmIdentifier ::= SEQUENCE {
algorithm OBJECT IDENTIFIER ({ pkcs7_note_OID }),
parameters ANY OPTIONAL
}
EncryptedDigest ::= OCTET STRING ({ pkcs7_sig_note_signature })
---
--- X.500 Name
---
Name ::= SEQUENCE OF RelativeDistinguishedName
RelativeDistinguishedName ::= SET OF AttributeValueAssertion
AttributeValueAssertion ::= SEQUENCE {
attributeType OBJECT IDENTIFIER ({ pkcs7_note_OID }),
attributeValue ANY
}
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